What is the Greatest Common Factor of 24640 and 24655?

Greatest common factor (GCF) of 24640 and 24655 is 5.

GCF(24640,24655) = 5

We will now calculate the prime factors of 24640 and 24655, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 24640 and 24655.

How to find the GCF of 24640 and 24655?

We will first find the prime factorization of 24640 and 24655. After we will calculate the factors of 24640 and 24655 and find the biggest common factor number .

Step-1: Prime Factorization of 24640

Prime factors of 24640 are 2, 5, 7, 11. Prime factorization of 24640 in exponential form is:

24640 = 2⁶ × 5¹ × 7¹ × 11¹

Step-2: Prime Factorization of 24655

Prime factors of 24655 are 5, 4931. Prime factorization of 24655 in exponential form is:

24655 = 5¹ × 4931¹

Step-3: Factors of 24640

List of positive integer factors of 24640 that divides 24640 without a remainder.

1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 704, 770, 880, 1120, 1232, 1540, 1760, 2240, 2464, 3080, 3520, 4928, 6160, 12320

Step-4: Factors of 24655

List of positive integer factors of 24655 that divides 24640 without a remainder.

1, 5, 4931

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 24640 and 24655. The biggest common factor number is the GCF number.
So the greatest common factor 24640 and 24655 is 5.

Also check out the Least Common Multiple of 24640 and 24655